HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Siesta Key

$57+ Cheap flights from Washington, D.C. (WAS) to Siesta Key, FL

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TPA
May 12 — May 191
Mon 5/12
Mon 5/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Siesta Key with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Siesta Key are usually found in May or July, booked 61 days in advance, depart on a Thursday or Sunday and return on a Thursday

Cheap flight deals from Washington, D.C. to Siesta Key

Keep the following information in mind while searching for Washington, D.C. to Siesta Key flight deals. Data was last updated May 7, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$144
(Kiwi.com)

One-way from

$57
(Booking.com)

Popular in

December

Cheapest in

May

Average price

$244
Provider with most accurate pricing for Washington, D.C. (WAS)-Sarasota Bradenton Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sarasota Bradenton Intl flights.
Search Deals
From Washington, D.C. (WAS) to Siesta Key
Search Deals
One-way flight from Washington, D.C. (WAS) to Siesta Key
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Washington, D.C. to Siesta Key

Cheapest flights from Washington, D.C. to Siesta Key
Explore the most affordable flight options available from Washington, D.C. to Siesta Key. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2025.

This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/185:55 pmIAD - SRQ
Nonstop2h 20mAllegiant Air
Thu 5/221:12 pmSRQ - IAD
Nonstop2h 20mAllegiant Air
Deal found 5/6$144
This Mytrip deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/89:10 pmIAD - SRQ
Nonstop2h 20mMultiple Airlines
Thu 6/127:46 pmSRQ - IAD
1 stop24h 21mMultiple Airlines
Deal found 5/7$161
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:05 amDCA - SRQ
1 stop5h 00mSouthwest
Wed 6/116:00 amSRQ - DCA
1 stop6h 40mSouthwest
Deal found 5/5$201
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/104:45 pmBWI - SRQ
1 stop4h 29mDelta
Tue 6/175:58 pmSRQ - BWI
1 stop4h 45mDelta
Deal found 5/7$227
This Mytrip deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/712:51 pmBWI - SRQ
2 stops34h 47mMultiple Airlines
Mon 6/97:46 amSRQ - BWI
1 stop13h 35mMultiple Airlines
Deal found 5/6$230
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/410:07 amDCA - SRQ
Nonstop2h 42mAmerican Airlines
Wed 6/1111:25 amSRQ - DCA
Nonstop2h 25mAmerican Airlines
Deal found 5/5$245
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/27:10 pmBWI - SRQ
Nonstop2h 35mSouthwest
Wed 7/95:55 pmSRQ - BWI
Nonstop2h 30mSouthwest
Deal found 5/5$260
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/27:00 amDCA - SRQ
1 stop4h 39mDelta
Tue 8/512:44 pmSRQ - DCA
1 stop5h 45mDelta
Deal found 5/7$265
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/26:00 amIAD - SRQ
1 stop5h 39mDelta
Tue 8/52:55 pmSRQ - IAD
1 stop4h 56mDelta
Deal found 5/7$265
This American Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/75:41 pmIAD - SRQ
1 stop5h 04mAmerican Airlines
Fri 6/138:10 amSRQ - IAD
1 stop4h 28mAmerican Airlines
Deal found 5/7$285
This JetBlue deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:09 amDCA - SRQ
1 stop5h 34mJetBlue
Wed 6/1111:13 amSRQ - DCA
1 stop5h 39mJetBlue
Deal found 5/6$304
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/113:40 pmIAD - SRQ
1 stop8h 03mUnited Airlines
Tue 6/1710:35 amSRQ - IAD
1 stop5h 50mUnited Airlines
Deal found 5/7$335

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. to Siesta Key that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Siesta Key that are best for you.

Fly from

Washington, D.C.

Fly to

Siesta Key

Route

Depart

Return

Price

Washington, D.C.Sarasota

IAD - SRQ

IADSRQ

Washington, D.C. Dulles Intl

Sun 5/18

5:55 pm-8:15 pm

Nonstop2h 20m

Sarasota Bradenton Intl

Thu 5/22

1:12 pm-3:32 pm

Nonstop2h 20m

$144

Washington, D.C.Sarasota

IAD - SRQ

IADSRQ

Washington, D.C. Dulles Intl

Sun 6/8

9:10 pm-11:30 pm

Nonstop2h 20m

Sarasota Bradenton Intl

Thu 6/12

7:46 pm-8:07 pm

1 stop24h 21m

$161

Washington, D.C.Sarasota

DCA - SRQ

DCASRQ

Washington, D.C. Reagan-National

Wed 6/4

6:05 am-11:05 am

1 stop5h 00m

Sarasota Bradenton Intl

Wed 6/11

6:00 am-12:40 pm

1 stop6h 40m

$201

BaltimoreSarasota

BWI - SRQ

BWISRQ

Baltimore/Washington

Tue 6/10

4:45 pm-9:14 pm

1 stop4h 29m

Sarasota Bradenton Intl

Tue 6/17

5:58 pm-10:43 pm

1 stop4h 45m

$227

BaltimoreSarasota

BWI - SRQ

BWISRQ

Baltimore/Washington

Sat 6/7

12:51 pm-11:38 pm

2 stops34h 47m

Sarasota Bradenton Intl

Mon 6/9

7:46 am-9:21 pm

1 stop13h 35m

$230

Washington, D.C.Sarasota

DCA - SRQ

DCASRQ

Washington, D.C. Reagan-National

Wed 6/4

10:07 am-12:49 pm

Nonstop2h 42m

Sarasota Bradenton Intl

Wed 6/11

11:25 am-1:50 pm

Nonstop2h 25m

$245

BaltimoreSarasota

BWI - SRQ

BWISRQ

Baltimore/Washington

Wed 7/2

7:10 pm-9:45 pm

Nonstop2h 35m

Sarasota Bradenton Intl

Wed 7/9

5:55 pm-8:25 pm

Nonstop2h 30m

$260

Washington, D.C.Sarasota

DCA - SRQ

DCASRQ

Washington, D.C. Reagan-National

Sat 8/2

7:00 am-11:39 am

1 stop4h 39m

Sarasota Bradenton Intl

Tue 8/5

11:02 am-5:23 pm

1 stop6h 21m

$265

Washington, D.C.Sarasota

IAD - SRQ

IADSRQ

Washington, D.C. Dulles Intl

Sat 8/2

6:00 am-11:39 am

1 stop5h 39m

Sarasota Bradenton Intl

Tue 8/5

2:55 pm-7:51 pm

1 stop4h 56m

$265

Washington, D.C.Sarasota

IAD - SRQ

IADSRQ

Washington, D.C. Dulles Intl

Sat 6/7

5:41 pm-10:45 pm

1 stop5h 04m

Sarasota Bradenton Intl

Fri 6/13

8:10 am-12:38 pm

1 stop4h 28m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from Washington, D.C. to Siesta Key

Have a flexible travel schedule? Discover the best time to fly to Siesta Key from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Siesta Key

How far ahead should I book a flight from Washington, D.C. to Siesta Key?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Siesta Key. Price data was last updated on May 2, 2025.

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Siesta Key. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Siesta Key?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Siesta Key (average of $208). Flying from Washington, D.C. to Siesta Key in March is currently the most expensive (average of $270). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to S1E?

Find hourly flight availability from Washington, D.C. to Siesta Key. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 7, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Siesta Key as you normally would.

What is the cheapest day to fly from Washington, D.C. to Siesta Key?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Siesta Key. Price data was last updated on March 2, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Siesta Key flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Siesta Key

Explore weekly flight availability from Washington, D.C. to Siesta Key. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 7, 2025.

The most flights from WAS to S1E are scheduled on a Wednesday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Siesta Key by month

Plan your trip to Siesta Key by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Siesta Key ranges from 2.2 - 9.7 inches per month. June is typically the wettest month, when rainfall can reach 9.7 in. November is typically the driest time to visit Siesta Key when rainfall is around 2.2 in.

Temperature in Siesta Key by month

Plan your trip to Siesta Key by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Siesta Key, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Siesta Key

Get insights into the airlines that provide service to Siesta Key. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siesta Key. Reviews last updated May 7, 2025.
See what other customers who have flown with Southwest, Delta and Qatar Airways from Washington, D.C. to Siesta Key have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,292 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,292 reviews
Southwest
8.0
Very good
4,292 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,944 reviews
Southwest
8.0
Very good
4,292 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Qatar Airways
7.4
Good
3,567 reviews
Southwest
8.0
Very good
4,292 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,710 reviews
Southwest
8.0
Very good
4,292 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,292 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Siesta Key. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Washington, D.C. to Siesta Key one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Siesta Key are Allegiant Air ($57), Southwest ($101), and Delta ($114).

  • What are the most popular routes from Washington, D.C. to Siesta Key?

    The most popular route from Washington, D.C. to Siesta Key is Baltimore/Washington - Sarasota Bradenton Intl. You may also consider Washington, D.C. Reagan-National - Sarasota Bradenton Intl or Washington, D.C. Dulles Intl - Sarasota Bradenton Intl.

  • What are the most reliable airlines from Washington, D.C. to Siesta Key?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Siesta Key on time: Ethiopian Air (92%), ANA (89%), Air China (88%).

  • What are the cheapest flights from Washington, D.C. to Siesta Key?

    Looking for the cheapest flight from Washington, D.C. to Siesta Key? While on average our users pay $404, our data indicates the cheapest price to be $66. The most popular route (Baltimore/Washington - Sarasota Bradenton Intl), is priced around $227.

  • Can I find deals for flights from Washington, D.C. to Siesta Key that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Siesta Key flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Siesta Key?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Siesta Key.

  • Can I find deals for business class flights from Washington, D.C. to Siesta Key?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Siesta Key by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Siesta Key?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Siesta Key (average of $208). Flying from Washington, D.C. to Siesta Key in March is currently the most expensive (average of $270). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Siesta Key

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Miami flights
Dulles Intl to Miami flights
Dulles Intl to Orlando flights
Reagan-National to Orlando flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to Tampa flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Tampa flights
Dulles Intl to Fort Myers flights
Dulles Intl to Jacksonville flights
Reagan-National to Jacksonville flights
Reagan-National to Fort Myers flights
Dulles Intl to West Palm Beach flights
Dulles Intl to Pensacola flights
Reagan-National to Pensacola flights
Reagan-National to West Palm Beach flights
Reagan-National to Sarasota flights
Dulles Intl to Key West flights
Reagan-National to Key West flights
Dulles Intl to Panama City flights
Dulles Intl to Valparaiso flights
Reagan-National to Panama City flights
Reagan-National to Valparaiso flights
Dulles Intl to Daytona Beach flights
Reagan-National to Melbourne flights
Dulles Intl to Sarasota flights
Dulles Intl to Tallahassee flights
Dulles Intl to Melbourne flights
Reagan-National to Tallahassee flights
Reagan-National to Daytona Beach flights
Dulles Intl to Gainesville flights
Dulles Intl to Orlando Sanford Intl flights
Reagan-National to Gainesville flights
Reagan-National to Valdosta flights
Dulles Intl to Valdosta flights

Top 8 airlines flying from Washington, D.C. to Siesta Key

Discover the top 8 airlines that operate flights from Washington, D.C. to Siesta Key. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$25Average$147FlexibilityNo cancel feeOn-time65%
FrontierCheapest$29Average$158FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$74Average$157FlexibilityNo cancel feeOn-time88%
JetBlueCheapest$96Average$189FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$112Average$367FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$141Average$343FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$193Average$372FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$330FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.